V./Q. Scan and Pulmonary Embolism Diagnosis

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A chest x-ray is usually abnormal in patients with pulmonary embolism.

False

Sinus bradycardia is the most frequent ECG abnormality seen in patients with pulmonary embolism.

False

An arterial blood gas analysis can always detect hypoxemia and hypocapnia in patients with pulmonary embolism.

False

MDCTA is considered the gold standard for diagnosing pulmonary embolism.

True Signup and view all the answers

If MDCTA is not available, pulmonary arteriogram is not considered as an alternative diagnostic method for pulmonary embolism.

False Signup and view all the answers

A specially trained team is not required to perform the V./Q. scan procedure.

False Signup and view all the answers

The V./Q. scan uses a catheter threaded through the aorta to the left side of the heart.

False Signup and view all the answers

Pulmonary angiography is no longer used in diagnosing PE in healthcare facilities.

False Signup and view all the answers

The V./Q. scan involves minimal invasion and requires oral administration of a contrast agent.

False Signup and view all the answers

The V./Q. scan evaluates different regions of the lungs and allows for comparison of V./Q. percentage in each area.

True Signup and view all the answers

PE refers to the obstruction of the pulmonary artery by a thrombus that originates in the arterial system.

False Signup and view all the answers

DVT refers to thrombus formation in the deep veins and can occur in the arms of patients with peripherally inserted central catheters.

True Signup and view all the answers

VTE includes PE only and excludes DVT.

False Signup and view all the answers

PE is not associated with any specific risk factors such as pregnancy or prolonged immobility.

False Signup and view all the answers

Sudden death is never the first clinical sign in people who experience a PE.

False Signup and view all the answers

What is the purpose of threading a catheter through the vena cava to the right side of the heart in a V./Q. scan procedure?

To inject a contrast agent for imaging the lungs Signup and view all the answers

What is a key advantage of using MDCTA over V./Q. scan in diagnosing pulmonary embolism?

More accurate results Signup and view all the answers

What distinguishes the V./Q. scan from an MDCTA in terms of invasiveness?

V./Q. scan involves threading a catheter through the vena cava Signup and view all the answers

Which diagnostic method is considered the 'gold standard' for diagnosing pulmonary embolism?

MDCTA Signup and view all the answers

What is a distinguishing feature of the V./Q. scan compared to other diagnostic methods?

Minimally invasive and involves IV administration of contrast agent Signup and view all the answers

What initial diagnostic test is most helpful in excluding other possible causes of pulmonary embolism?

Chest x-ray Signup and view all the answers

Which of the following is the most frequent ECG abnormality seen in patients with pulmonary embolism?

Nonspecific ST-T wave abnormalities Signup and view all the answers

What is considered the criterion standard for diagnosing pulmonary embolism?

MDCTA Signup and view all the answers

Which method allows for direct visualization under fluoroscopy of the arterial obstruction in pulmonary embolism?

Pulmonary angiography Signup and view all the answers

What may an arterial blood gas analysis show in a patient with pulmonary embolism?

Hypoxemia and hypocapnia Signup and view all the answers

Which condition is characterized by the obstruction of the pulmonary artery by a thrombus?

Pulmonary embolism (PE) Signup and view all the answers

In which patients can deep vein thrombosis (DVT) occur in the arms?

Patients with peripherally inserted central catheters Signup and view all the answers

What percentage of individuals may die within the first month of diagnosis of a pulmonary embolism (PE)?

30% to 35% Signup and view all the answers

Which diagnostic method is considered the gold standard for diagnosing pulmonary embolism (PE)?

Multidetector computed tomography angiography (MDCTA) Signup and view all the answers

What is the term that includes both deep vein thrombosis (DVT) and pulmonary embolism (PE)?

Venous thromboembolism (VTE) Signup and view all the answers

What is the term that includes both deep vein thrombosis (DVT) and pulmonary embolism (PE)?

VTE Signup and view all the answers

What percentage of individuals may die within the first month of diagnosis of a pulmonary embolism (PE)?

20% to 25% Signup and view all the answers

Which condition is characterized by the obstruction of the pulmonary artery by a thrombus?

Pulmonary embolism Signup and view all the answers

What may be the first clinical sign in about 25% of people who experience a pulmonary embolism (PE)?

Sudden death Signup and view all the answers

In which patients can deep vein thrombosis (DVT) occur in the arms?

Patients with peripherally inserted central catheters Signup and view all the answers

What is a common symptom of pulmonary embolism that may be sudden and pleuritic in origin, but can also be substernal and mimic angina?

Chest pain Signup and view all the answers

In pulmonary embolism, what often results in pronounced dyspnea, sudden substernal pain, rapid and weak pulse, shock, syncope, and even sudden death?

Obstruction of the pulmonary artery Signup and view all the answers

Which of the following is the most frequent sign associated with pulmonary embolism?

Tachypnea Signup and view all the answers

What symptom depends on the extent of embolization in pulmonary embolism?

Dyspnea Signup and view all the answers

In pulmonary embolism, what occurs when the right ventricle's work requirements exceed its capacity?

Decrease in cardiac output Signup and view all the answers

What is the most common ECG abnormality seen in patients with pulmonary embolism?

Nonspecific ST-T wave abnormalities Signup and view all the answers

Which imaging technique is considered the gold standard for diagnosing pulmonary embolism?

MDCTA Signup and view all the answers

Which of the following may an arterial blood gas analysis show in a patient with pulmonary embolism?

Normal gas exchange Signup and view all the answers

What is a key advantage of using MDCTA over pulmonary angiography in diagnosing pulmonary embolism?

High-quality visualization of lung parenchyma Signup and view all the answers

Which symptom is NOT typically associated with pulmonary embolism?

Ataxia Signup and view all the answers

V./Q. Scan and Pulmonary Embolism Diagnosis

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Questions and Answers

A chest x-ray is usually abnormal in patients with pulmonary embolism.

Sinus bradycardia is the most frequent ECG abnormality seen in patients with pulmonary embolism.

An arterial blood gas analysis can always detect hypoxemia and hypocapnia in patients with pulmonary embolism.

MDCTA is considered the gold standard for diagnosing pulmonary embolism.

If MDCTA is not available, pulmonary arteriogram is not considered as an alternative diagnostic method for pulmonary embolism.

A specially trained team is not required to perform the V./Q. scan procedure.

The V./Q. scan uses a catheter threaded through the aorta to the left side of the heart.

Pulmonary angiography is no longer used in diagnosing PE in healthcare facilities.

The V./Q. scan involves minimal invasion and requires oral administration of a contrast agent.

The V./Q. scan evaluates different regions of the lungs and allows for comparison of V./Q. percentage in each area.

PE refers to the obstruction of the pulmonary artery by a thrombus that originates in the arterial system.

DVT refers to thrombus formation in the deep veins and can occur in the arms of patients with peripherally inserted central catheters.

VTE includes PE only and excludes DVT.

PE is not associated with any specific risk factors such as pregnancy or prolonged immobility.

Sudden death is never the first clinical sign in people who experience a PE.

What is the purpose of threading a catheter through the vena cava to the right side of the heart in a V./Q. scan procedure?

What is a key advantage of using MDCTA over V./Q. scan in diagnosing pulmonary embolism?

What distinguishes the V./Q. scan from an MDCTA in terms of invasiveness?

Which diagnostic method is considered the 'gold standard' for diagnosing pulmonary embolism?

What is a distinguishing feature of the V./Q. scan compared to other diagnostic methods?

What initial diagnostic test is most helpful in excluding other possible causes of pulmonary embolism?

Which of the following is the most frequent ECG abnormality seen in patients with pulmonary embolism?

What is considered the criterion standard for diagnosing pulmonary embolism?

Which method allows for direct visualization under fluoroscopy of the arterial obstruction in pulmonary embolism?

What may an arterial blood gas analysis show in a patient with pulmonary embolism?

Which condition is characterized by the obstruction of the pulmonary artery by a thrombus?

In which patients can deep vein thrombosis (DVT) occur in the arms?

What percentage of individuals may die within the first month of diagnosis of a pulmonary embolism (PE)?

Which diagnostic method is considered the gold standard for diagnosing pulmonary embolism (PE)?

What is the term that includes both deep vein thrombosis (DVT) and pulmonary embolism (PE)?

What is the term that includes both deep vein thrombosis (DVT) and pulmonary embolism (PE)?

What percentage of individuals may die within the first month of diagnosis of a pulmonary embolism (PE)?

Which condition is characterized by the obstruction of the pulmonary artery by a thrombus?

What may be the first clinical sign in about 25% of people who experience a pulmonary embolism (PE)?

In which patients can deep vein thrombosis (DVT) occur in the arms?

What is a common symptom of pulmonary embolism that may be sudden and pleuritic in origin, but can also be substernal and mimic angina?

In pulmonary embolism, what often results in pronounced dyspnea, sudden substernal pain, rapid and weak pulse, shock, syncope, and even sudden death?

Which of the following is the most frequent sign associated with pulmonary embolism?

What symptom depends on the extent of embolization in pulmonary embolism?

In pulmonary embolism, what occurs when the right ventricle's work requirements exceed its capacity?

What is the most common ECG abnormality seen in patients with pulmonary embolism?

Which imaging technique is considered the gold standard for diagnosing pulmonary embolism?

Which of the following may an arterial blood gas analysis show in a patient with pulmonary embolism?

What is a key advantage of using MDCTA over pulmonary angiography in diagnosing pulmonary embolism?

Which symptom is NOT typically associated with pulmonary embolism?

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